Source: China News Network

On December 15, due to the cold wave, the minimum temperature in Huzhong District of Daxing'anling, known as "China's coldest town", dropped to -40.9 °C, ushering in the coldest day since the beginning of winter this year. Photo by Feng Hongwei
Pedestrians on the street have a layer of white frost on their hats and masks. Photo by Feng Hongwei
Sanitation workers are wrapped in thick cotton clothes to clean. Photo by Feng Hongwei